Collection: Impurity Standards
QuantiMol impurity standards include related compounds, degradation products, process impurities, isomers, residuals, and pharmaceutical impurity materials. These products support analytical research, method validation, impurity profiling, and quality control studies.
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Dapagliflozin impurity A [CAS 2452300-94-4]
CAS: 2452300-94-4 | SKU: QM-0156053-01 | Size: 5 mg£991.63 GBP -
D-Ribose (mixture of isomers) (Standard) [CAS 50-69-1]
CAS: 50-69-1 | SKU: QM-0203866-01 | Size: 10 mg£51.91 GBP -
D-Ribose (mixture of isomers) -13C5 [CAS 202114-47-4]
CAS: 202114-47-4 | SKU: QM-0198335-01 | Size: 1 mg£62.26 GBP -
Dapagliflozin impurity [CAS 960404-86-8]
CAS: 960404-86-8 | SKU: QM-0142520-01 | Size: 10 mM - 1 mL£226.18 GBP -
D-Mannose isomerase (PsMaSeAF) [CAS 9031-25-8]
CAS: 9031-25-8 | SKU: QM-0161325 | Size: 1 U£290.57 GBP -
D-Ribose (mixture of isomers) [CAS 50-69-1]
CAS: 50-69-1 | SKU: QM-0192681-01 | Size: 100 mg£51.91 GBP -
Daclatasvir Impurity B [CAS 2226541-13-3]
CAS: 2226541-13-3 | SKU: QM-0062141-01 | Size: 5 mg£542.08 GBP -
Daclatasvir Impurity C [CAS 1256385-55-3]
CAS: 1256385-55-3 | SKU: QM-0062142 | Size: 1 Each Price on request -
DCG04 isomer-1
SKU: QM-0078397 | Size: 1 Each Price on request -
Crizotinib impurity 1 (Standard) [CAS 877397-70-1]
CAS: 877397-70-1 | SKU: QM-0017571 | Size: 1 Each Price on request -
Crizotinib impurity 1 [CAS 877397-70-1]
CAS: 877397-70-1 | SKU: QM-0017570-01 | Size: 100 mg£63.82 GBP -
Corey lactone benzoate impurity 1 (Standard) [CAS 1215192-62-3]
CAS: 1215192-62-3 | SKU: QM-0017341-01 | Size: 5 mg£401.13 GBP -
Corey lactone benzoate impurity 1 [CAS 1215192-62-3]
CAS: 1215192-62-3 | SKU: QM-0017340-01 | Size: 25 mg£527.50 GBP -
Clozapine impurity 8 [CAS 5814-41-5]
CAS: 5814-41-5 | SKU: QM-0017215 | Size: 5 mg£57.61 GBP -
CTPαS (Sp isomer) [CAS 118353-34-7]
CAS: 118353-34-7 | SKU: QM-0015417 | Size: 1 Each Price on request -
CTPαS (Rp isomer) [CAS 118374-59-7]
CAS: 118374-59-7 | SKU: QM-0015338 | Size: 1 Each Price on request -
Cyclobenzaprine impurity 2-d3 (hydrochloride)
SKU: QM-0148051-01 | Size: 1 mg Price on request -
Cis-Atovaquone-d5 (contains 10% trans isomer) [CAS 1217612-80-0]
CAS: 1217612-80-0 | SKU: QM-0052793-01 | Size: 500 µg£825.17 GBP -
Clopidogrel-related Compound B (hydrochloride) [CAS 144750-52-7]
CAS: 144750-52-7 | SKU: QM-0048094-01 | Size: 25 mg£54.50 GBP -
Clopidogrel impurity 1 (Standard) [CAS 120202-71-3]
CAS: 120202-71-3 | SKU: QM-0048078 | Size: 1 Each Price on request -
Clopidogrel impurity 1 [CAS 120202-71-3]
CAS: 120202-71-3 | SKU: QM-0048077-01 | Size: 50 mg£146.50 GBP -
Cinacalcet impurity 50 (Standard) [CAS 1622173-72-1]
CAS: 1622173-72-1 | SKU: QM-0021380-01 | Size: 1 mg£791.15 GBP -
Cinacalcet impurity 50 [CAS 1622173-72-1]
CAS: 1622173-72-1 | SKU: QM-0021379-01 | Size: 5 mg£978.26 GBP -
Cinakase impurity 11 (Standard) [CAS 1229512-52-0]
CAS: 1229512-52-0 | SKU: QM-0021364-01 | Size: 5 mg£111.63 GBP -
Cinacalcet impurity 1 (hydrochloride) (Standard) [CAS 1229225-42-6]
CAS: 1229225-42-6 | SKU: QM-0021363-01 | Size: 5 mg£135.25 GBP -
Cinacalcet impurity 1 (hydrochloride) [CAS 1229225-42-6]
CAS: 1229225-42-6 | SKU: QM-0021362-01 | Size: 10 mg£94.75 GBP -
Cinakase impurity 11 [CAS 1229512-52-0]
CAS: 1229512-52-0 | SKU: QM-0021361-01 | Size: 10 mg£67.44 GBP -
Cinacase impurity 12 [CAS 1229224-93-4]
CAS: 1229224-93-4 | SKU: QM-0021321-01 | Size: 25 mg£59.16 GBP -
Cinacalcet impurity 1 (Standard) [CAS 1271930-15-4]
CAS: 1271930-15-4 | SKU: QM-0021320-01 | Size: 1 mg£438.80 GBP -
Cinacalcet impurity 1 [CAS 1271930-15-4]
CAS: 1271930-15-4 | SKU: QM-0021319-01 | Size: 1 mg£250.47 GBP -
Cinnarizine impurity 7 (Standard) [CAS 21172-43-0]
CAS: 21172-43-0 | SKU: QM-0021318-01 | Size: 5 mg£65.37 GBP -
Cinnarizine impurity 7 [CAS 21172-43-0]
CAS: 21172-43-0 | SKU: QM-0021317-01 | Size: 100 mg£118.38 GBP -
Cinakase impurity 13 [CAS 2074615-22-6]
CAS: 2074615-22-6 | SKU: QM-0021312-01 | Size: 1 mg£257.76 GBP -
Cinakase impurity 1 (Standard) [CAS 1229224-94-5]
CAS: 1229224-94-5 | SKU: QM-0021279 | Size: 1 Each Price on request -
Cinakase impurity 1 [CAS 1229224-94-5]
CAS: 1229224-94-5 | SKU: QM-0021278-01 | Size: 1 mg£408.43 GBP -
Cinacalcet impurity 9 (Standard) [CAS 253337-60-9]
CAS: 253337-60-9 | SKU: QM-0021277-01 | Size: 1 mg£363.47 GBP -
Cinacalcet impurity 9 [CAS 253337-60-9]
CAS: 253337-60-9 | SKU: QM-0021276-01 | Size: 5 mg£444.88 GBP -
Cinacalcet impurity 5 (Standard) [CAS 1431699-53-4]
CAS: 1431699-53-4 | SKU: QM-0021275-01 | Size: 1 mg£426.65 GBP -
Cinacalcet impurity 5 [CAS 1431699-53-4]
CAS: 1431699-53-4 | SKU: QM-0021274-01 | Size: 5 mg£464.31 GBP -
Cholic acid impurity 1 [CAS 24637-46-5]
CAS: 24637-46-5 | SKU: QM-0017287-01 | Size: 5 mg£794.79 GBP -
Clenbuterol impurity 1 [CAS 37845-71-9]
CAS: 37845-71-9 | SKU: QM-0017034-01 | Size: 25 mg£395.06 GBP -
Clevidipine butyrate impurity 1 (Standard) [CAS 123853-39-4]
CAS: 123853-39-4 | SKU: QM-0017020 | Size: 1 Each Price on request -
Clevidipine butyrate impurity 1 [CAS 123853-39-4]
CAS: 123853-39-4 | SKU: QM-0017019-01 | Size: 250 mg£51.91 GBP -
Clozapine EP impurity D-d8
SKU: QM-0147794-01 | Size: 1 mg Price on request -
Clevidipine impurity 24-13C, d3
SKU: QM-0104643 | Size: 1 Each Price on request -
Ciprofibrate impurity A [CAS 1474058-89-3]
CAS: 1474058-89-3 | SKU: QM-0062381-01 | Size: 25 mg£67.44 GBP -
Chlorthalidone impurity (ammonium)
SKU: QM-0156245-01 | Size: 5 mg£52.44 GBP -
Chlorthalidone Impurity G [CAS 16289-13-7]
CAS: 16289-13-7 | SKU: QM-0131174-01 | Size: 1 mg£149.88 GBP -
Chlorthalidone impurity (Standard) [CAS 5270-74-6]
CAS: 5270-74-6 | SKU: QM-0090363 | Size: 1 Each Price on request -
Chlorthalidone impurity [CAS 5270-74-6]
CAS: 5270-74-6 | SKU: QM-0074314-01 | Size: 5 mg£52.44 GBP -
Carvedilol impurity 1 [CAS 1391052-16-6]
CAS: 1391052-16-6 | SKU: QM-0051150-01 | Size: 5 mg£557.87 GBP -
Caspofungin impurity A [CAS 1202167-57-4]
CAS: 1202167-57-4 | SKU: QM-0025916 | Size: 1 Each Price on request -
Ceritinib impurity 5 (Standard) [CAS 1260864-79-6]
CAS: 1260864-79-6 | SKU: QM-0021406 | Size: 1 Each Price on request -
Ceritinib impurity 5 [CAS 1260864-79-6]
CAS: 1260864-79-6 | SKU: QM-0021405-01 | Size: 5 mg£57.61 GBP -
Carfizomib impurity 20 [CAS 2803375-51-9]
CAS: 2803375-51-9 | SKU: QM-0021287-01 | Size: 1 mg£953.96 GBP -
Cebranopadol ((1α,4α)stereoisomer) [CAS 863513-93-3]
CAS: 863513-93-3 | SKU: QM-0151693-01 | Size: 2 mg£288.14 GBP -
Cefpodoxime proxetil EP impurity A-d3 (sodium)
SKU: QM-0157326-01 | Size: 1 mg£1,223.69 GBP -
Chlorfenvinphos-d10 (Mixture of cis-trans isomers) [CAS 1346606-54-9]
CAS: 1346606-54-9 | SKU: QM-0144114-01 | Size: 50 mg Price on request -
Cetirizine Impurity C (dihydrochloride) [CAS 2702511-37-1]
CAS: 2702511-37-1 | SKU: QM-0143594-01 | Size: 5 mg£426.65 GBP -
Cetirizine Impurity D [CAS 346451-15-8]
CAS: 346451-15-8 | SKU: QM-0056925 | Size: 1 Each Price on request -
Cetirizine 3-chloro impurity [CAS 1232460-31-9]
CAS: 1232460-31-9 | SKU: QM-0061703 | Size: 1 Each Price on request -
Cetirizine Impurity B (dihydrochloride) [CAS 1000690-91-4]
CAS: 1000690-91-4 | SKU: QM-0056924 | Size: 5 mg£115.00 GBP -
Cetilistat impurity 1 [CAS 890655-08-0]
CAS: 890655-08-0 | SKU: QM-0062912 | Size: 1 Each Price on request -
Celastramycin A (isomer) [CAS 491600-94-3]
CAS: 491600-94-3 | SKU: QM-0109837-01 | Size: 1 mg£381.69 GBP -
Cetirizine Impurity C [CAS 83881-59-8]
CAS: 83881-59-8 | SKU: QM-0061707 | Size: 1 Each Price on request -
Cetirizine Impurity D (Standard) [CAS 346451-15-8]
CAS: 346451-15-8 | SKU: QM-0079562 | Size: 1 Each Price on request -
Cefpodoxime proxetil impurity B [CAS 947692-14-0]
CAS: 947692-14-0 | SKU: QM-0061679 | Size: 10 mg£2,748.51 GBP -
Cannabidiol impurity 1 [CAS 82769-01-5]
CAS: 82769-01-5 | SKU: QM-0056123 | Size: 100 mg£51.91 GBP -
Butenafine impurity 2 (Standard) [CAS 120118-14-1]
CAS: 120118-14-1 | SKU: QM-0049761 | Size: 1 Each Price on request -
Butenafine impurity 2 [CAS 120118-14-1]
CAS: 120118-14-1 | SKU: QM-0049760-01 | Size: 100 mg£94.75 GBP -
Buvacitam impurity 27 [CAS 50840-31-8]
CAS: 50840-31-8 | SKU: QM-0048772-01 | Size: 10 mg£55.02 GBP -
Canagliflozin impurity 79
SKU: QM-0021387-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 15 [CAS 2803375-40-6]
CAS: 2803375-40-6 | SKU: QM-0021358-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 3 [CAS 2803420-39-3]
CAS: 2803420-39-3 | SKU: QM-0021357-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 1 [CAS 842133-16-8]
CAS: 842133-16-8 | SKU: QM-0021356-01 | Size: 5 mg£56.58 GBP -
Canagliflozin impurity 4 [CAS 2803372-74-7]
CAS: 2803372-74-7 | SKU: QM-0021355-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 10
SKU: QM-0021354-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 8
SKU: QM-0021353-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 77
SKU: QM-0021352-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 2 [CAS 2444010-87-9]
CAS: 2444010-87-9 | SKU: QM-0021351-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 12 (Standard) [CAS 1823966-94-4]
CAS: 1823966-94-4 | SKU: QM-0021350-01 | Size: 1 mg£275.99 GBP -
Canagliflozin impurity 12 [CAS 1823966-94-4]
CAS: 1823966-94-4 | SKU: QM-0021349-01 | Size: 5 mg£282.06 GBP -
Canagliflozin impurity 5 (Standard) [CAS 1823462-28-7]
CAS: 1823462-28-7 | SKU: QM-0021348 | Size: 1 Each Price on request -
Canagliflozin impurity 5 [CAS 1823462-28-7]
CAS: 1823462-28-7 | SKU: QM-0021347-01 | Size: 50 mg£256.55 GBP -
Canagliflozin impurity 7 [CAS 2444007-31-0]
CAS: 2444007-31-0 | SKU: QM-0021346-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 9 [CAS 2448346-63-0]
CAS: 2448346-63-0 | SKU: QM-0021345-01 | Size: 5 mg£206.74 GBP -
Canagliflozin impurity 78 [CAS 2443735-82-6]
CAS: 2443735-82-6 | SKU: QM-0021344-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 11 [CAS 2803376-82-9]
CAS: 2803376-82-9 | SKU: QM-0021298-01 | Size: 1 mg£953.96 GBP -
Canagliflozin impurity 14
SKU: QM-0021286-01 | Size: 1 mg£953.96 GBP -
Camptothecin impurity 1 (Standard) [CAS 127318-97-2]
CAS: 127318-97-2 | SKU: QM-0017330-01 | Size: 5 mg£58.12 GBP -
Camptothecin impurity 1 [CAS 127318-97-2]
CAS: 127318-97-2 | SKU: QM-0017329-01 | Size: 100 mg£194.59 GBP -
Captopril EP Impurity D [CAS 56970-78-6]
CAS: 56970-78-6 | SKU: QM-0203680-01 | Size: 1 g£51.91 GBP -
Calcein (mixture of isomers) [CAS 154071-48-4]
CAS: 154071-48-4 | SKU: QM-0160967-01 | Size: 10 mg£57.09 GBP -
Calcipotriol Impurity C [CAS 113082-99-8]
CAS: 113082-99-8 | SKU: QM-0156695-01 | Size: 1 mg£330.67 GBP -
Budesonide impurity C [CAS 1040085-99-1]
CAS: 1040085-99-1 | SKU: QM-0079082-01 | Size: 1 mg£140.88 GBP -
Captopril EP Impurity C [CAS 26473-47-2]
CAS: 26473-47-2 | SKU: QM-0146078-01 | Size: 50 mg£55.02 GBP -
Cabergoline isomer-d6
SKU: QM-0148055-01 | Size: 1 mg Price on request -
Captopril EP Impurity J [CAS 64838-55-7]
CAS: 64838-55-7 | SKU: QM-0133234 | Size: 100 mg£78.82 GBP -
Captopril EP Impurity B [CAS 80629-35-2]
CAS: 80629-35-2 | SKU: QM-0063230 | Size: 1 Each Price on request -
Captopril EP Impurity B (Standard) [CAS 80629-35-2]
CAS: 80629-35-2 | SKU: QM-0128672 | Size: 1 Each Price on request -
Captopril EP Impurity D (Standard) [CAS 56970-78-6]
CAS: 56970-78-6 | SKU: QM-0123342 | Size: 1 Each Price on request -
Captopril EP Impurity E [CAS 23500-15-4]
CAS: 23500-15-4 | SKU: QM-0063232 | Size: 1 Each Price on request -
Calcipotriol Impurity C (Standard) [CAS 113082-99-8]
CAS: 113082-99-8 | SKU: QM-0101680 | Size: 1 Each Price on request -
Captopril EP Impurity E (Standard) [CAS 23500-15-4]
CAS: 23500-15-4 | SKU: QM-0088298 | Size: 1 Each Price on request -
Captopril EP Impurity C (Standard) [CAS 26473-47-2]
CAS: 26473-47-2 | SKU: QM-0085225 | Size: 1 Each Price on request -
Bortezomib impurity 12 [CAS 886979-78-8]
CAS: 886979-78-8 | SKU: QM-0049237 | Size: 10 mg£250.47 GBP -
Bosutinib isomer [CAS 1391063-17-4]
CAS: 1391063-17-4 | SKU: QM-0081982-01 | Size: 5 mg£140.88 GBP -
Bortezomib impurity A [CAS 289472-80-6]
CAS: 289472-80-6 | SKU: QM-0168190-01 | Size: 5 mg£189.72 GBP -
Bisabolene (mixture of isomers) [CAS 495-62-5]
CAS: 495-62-5 | SKU: QM-0091705-01 | Size: 1 g£57.09 GBP -
Betahistine EP Impurity C (Standard) [CAS 5452-87-9]
CAS: 5452-87-9 | SKU: QM-0003324 | Size: 1 Each Price on request -
Betahistine impurity 5-13C, d3
SKU: QM-0148039-01 | Size: 5 mg Price on request -
Betahistine EP Impurity C [CAS 5452-87-9]
CAS: 5452-87-9 | SKU: QM-0057773-01 | Size: 5 mg£55.02 GBP -
Avibactam impurity 1 (Standard) [CAS 400626-71-3]
CAS: 400626-71-3 | SKU: QM-0056125-01 | Size: 10 mg£57.09 GBP -
Avibactam impurity 1 [CAS 400626-71-3]
CAS: 400626-71-3 | SKU: QM-0056124-01 | Size: 1 g£36.91 GBP -
Aripiprazole impurity 1 (Standard) [CAS 120004-79-7]
CAS: 120004-79-7 | SKU: QM-0049158 | Size: 1 Each Price on request -
Aripiprazole impurity 1 [CAS 120004-79-7]
CAS: 120004-79-7 | SKU: QM-0049157-01 | Size: 100 mg£59.68 GBP -
Bedaquinoline impurity 2 (Standard) [CAS 654653-95-9]
CAS: 654653-95-9 | SKU: QM-0021427 | Size: 1 Each Price on request -
Bedaquinoline impurity 2 [CAS 654653-95-9]
CAS: 654653-95-9 | SKU: QM-0021426-01 | Size: 1 mg£288.14 GBP -
Bedaquinoline impurity 18 (Standard) [CAS 654655-70-6]
CAS: 654655-70-6 | SKU: QM-0021423 | Size: 1 Each Price on request -
Bedaquinoline impurity 18 [CAS 654655-70-6]
CAS: 654655-70-6 | SKU: QM-0021422-01 | Size: 5 mg£188.51 GBP